Market Yield on U.S. Treasury Securities at 20-Year Constant Maturity, Quoted on an Investment Basis, Inflation-Indexed (WFII20)

Observations

2026-09-04: 2.77
Updated: Sep 8, 2026 3:16 PM CDT
Next Release Date: Sep 14, 2026
2026-09-04:  2.77  
2026-08-28:  2.73  
2026-08-21:  2.78  
2026-08-14:  2.78  
2026-08-07:  2.76  
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Units:

Percent,
Not Seasonally Adjusted

Frequency:

Weekly,
Ending Friday

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Notes

Source: Board of Governors of the Federal Reserve System (US)  

Release: H.15 Selected Interest Rates  

Units:  Percent, Not Seasonally Adjusted

Frequency:  Weekly, Ending Friday

Notes:

For further information regarding treasury constant maturity data, please refer to the H.15 Statistical Release notes and the Treasury Yield Curve Methodology.

For questions on the data, please contact the data source. For questions on FRED functionality, please contact us here.

Suggested Citation:

Board of Governors of the Federal Reserve System (US), Market Yield on U.S. Treasury Securities at 20-Year Constant Maturity, Quoted on an Investment Basis, Inflation-Indexed [WFII20], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/WFII20, .

Release Tables

H.15 Selected Interest Rates

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Annual, Not Seasonally Adjusted Daily, Not Seasonally Adjusted Monthly, Not Seasonally Adjusted

Related Categories

Treasury Inflation-Indexed Securities Treasury Constant Maturity Interest Rates Money, Banking, & Finance

Releases

More Series from H.15 Selected Interest Rates

Tags

20-Year Treasury Inflation-Indexes Securities (TIPS) Maturity H.15 Selected Interest Rates Treasury Securities Weekly Interest Rate Interest Real Board of Governors Rate Nation Public Domain: Citation Requested United States of America Not Seasonally Adjusted

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